US Bridges

TR 32 over Piasa Cr.

Good

Macoupin County, Illinois · 4.0 MI W Shipman · Structure no. 059501000000000

Built
1901
124 years old
Condition
Good
inspected February 2023
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
150
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 32 over Piasa Cr. is a steel culvert carrying TR 32 over Piasa Cr. in Macoupin County, Illinois. It was built in 1901, so it is 124 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 39% of them trucks, projected to reach 152 by 2046. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 32
CrossesPiasa Cr.
Location4.0 MI W Shipman
RouteCounty Highway 0
Coordinates39.11684, -90.12364
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 by 2046
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 32 over Piasa Cr. built?

It was built in 1901, making it 124 years old in 2025.

What condition is TR 32 over Piasa Cr. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does TR 32 over Piasa Cr. carry?

About 150 vehicles per day (2021 count), of which roughly 39% are trucks.

How long is TR 32 over Piasa Cr.?

The structure is 25 ft (7.5 m) long with a longest span of 10 ft (3 m).

Who owns TR 32 over Piasa Cr.?

It is owned by the Town or Township Highway Agency.